Pqrs is a rectangle with a length of 10 inches

Ответ:

ohamieem

01.06.2020

Mathematics

21.8 is the answer you're looking for bub. im taking the text right now

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Ответ:

noslengerman

13.03.2022

Mathematics

21.8°

Step-by-step explanation:

The two sides of the rectangle, 4 inches and 10 inches, make the legs of a right triangle that includes angle A.

The 4 inch side is opposite angle A and the 10 inch side is adjacent to angle A; this gives us the ratio for tangent:

$\tan{A}=\frac{4}{10}$

To find the value of angle A, take the inverse tangent of each side:

$\tan^{-1}{(\tan{A})}=\tan^{-1}{(\frac{4}{10})}\\\\A=21.8$

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Ответ:

cocomelon

10.02.2022

Mathematics

$\begin{aligned} f(n) & = \dfrac{2}{n^2} = 2n^{-2} \\ \\[6pt] f'(n) & = 2(-2)n^{-2-1} & & \text{power rule}\\ & = -4n^{-3} & & \text{notice how this is a choice}\\ \\[6pt] f''(n) & = -4(-3)n^{-4} \\ f''(n) & = -12n^{-4} \end{aligned}$ $\begin{aligned} f(n) & = \dfrac{1}{3n^3} = \dfrac{1}{3}n^{-3} \\[6pt] f'(n) & = \dfrac{-1}{n^4}=-n^{-4} & & \text{notice how this is a choice}\\ \\[6pt]f''(n)& =4n^{-5}=\dfrac{4}{n^5} \end{aligned}$ the question choices are all wrong and you are correct.i think whoever authored the question just did a quick change without checking. notice how the first derivative is a valid choice for both questions.

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Pqrs is a rectangle with a length of 10 inches and a width of 4 inches. what is the measurement of angle a, the angle formed by the diagonal pr and the base pq? 21.8° 23.6° 66.4° 68.2°

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